128790360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{991}}^1$

素因数の和:1046

約数の個数: 144

約数和(自身を含む): 442203840

約数和(自身を除く): 313413480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 361, 380, 456, 570, 684, 722, 760, 855, 991, 1083, 1140, 1368, 1444, 1710, 1805, 1982, 2166, 2280, 2888, 2973, 3249, 3420, 3610, 3964, 4332, 4955, 5415, 5946, 6498, 6840, 7220, 7928, 8664, 8919, 9910, 10830, 11892, 12996, 14440, 14865, 16245, 17838, 18829, 19820, 21660, 23784, 25992, 29730, 32490, 35676, 37658, 39640, 43320, 44595, 56487, 59460, 64980, 71352, 75316, 89190, 94145, 112974, 118920, 129960, 150632, 169461, 178380, 188290, 225948, 282435, 338922, 356760, 357751, 376580, 451896, 564870, 677844, 715502, 753160, 847305, 1073253, 1129740, 1355688, 1431004, 1694610, 1788755, 2146506, 2259480, 2862008, 3219759, 3389220, 3577510, 4293012, 5366265, 6439518, 6778440, 7155020, 8586024, 10732530, 12879036, 14310040, 16098795, 21465060, 25758072, 32197590, 42930120, 64395180, 128790360]

約数ペア:

[(1, 128790360), (2, 64395180), (3, 42930120), (4, 32197590), (5, 25758072), (6, 21465060), (8, 16098795), (9, 14310040), (10, 12879036), (12, 10732530), (15, 8586024), (18, 7155020), (19, 6778440), (20, 6439518), (24, 5366265), (30, 4293012), (36, 3577510), (38, 3389220), (40, 3219759), (45, 2862008), (57, 2259480), (60, 2146506), (72, 1788755), (76, 1694610), (90, 1431004), (95, 1355688), (114, 1129740), (120, 1073253), (152, 847305), (171, 753160), (180, 715502), (190, 677844), (228, 564870), (285, 451896), (342, 376580), (360, 357751), (361, 356760), (380, 338922), (456, 282435), (570, 225948), (684, 188290), (722, 178380), (760, 169461), (855, 150632), (991, 129960), (1083, 118920), (1140, 112974), (1368, 94145), (1444, 89190), (1710, 75316), (1805, 71352), (1982, 64980), (2166, 59460), (2280, 56487), (2888, 44595), (2973, 43320), (3249, 39640), (3420, 37658), (3610, 35676), (3964, 32490), (4332, 29730), (4955, 25992), (5415, 23784), (5946, 21660), (6498, 19820), (6840, 18829), (7220, 17838), (7928, 16245), (8664, 14865), (8919, 14440), (9910, 12996), (10830, 11892)]